CN116372425A - Reinforced floor deck non-disassembly mesh welding machine - Google Patents

Abstract

The invention belongs to the technical field of steel floor deck processing, and discloses a welder for steel bar deck without dismantling the mesh, comprising: a frame; Positioning so that the relative position of the steel bar truss and the mesh is a preset position; the feeding device can be slidably arranged on the frame for positioning the steel bar truss after the positioning device Compressing and feeding synchronously with the mesh; a welding device is arranged on the frame and used for welding the steel bar truss and the mesh fed by the feeding device. The invention avoids the problems of missing solder joints or even tearing mesh sheets caused by the non-synchronous stepping of steel bar trusses. Moreover, the whole process of automatic welding reduces the work intensity of workers and improves production efficiency.

Description

Reinforced floor deck non-disassembly mesh welding machine

technical field

The invention relates to the technical field of processing reinforced floor decks, in particular to a welding machine for non-dismantling mesh pieces of reinforced floor decks.

Background technique

The demolition-free reinforced floor deck usually includes steel trusses and mesh sheets, which are assembled by welding multiple spot welds.

There is a lack of welding equipment for welding steel trusses and meshes. Usually, manual alignment is used to weld one by one welding spots, and the steel trusses and meshes are manually stepped during the welding process to achieve continuous welding of multiple welding spots. , this way has a high work intensity and low production efficiency.

In the prior art, most steel truss floor decks in China are composed of three steel trusses and mesh or galvanized sheets, so there are also welding equipment that directly use steel trusses and galvanized sheets to clamp steel trusses and mesh Tight stepping and welding, but because the overall rigidity of the mesh is less than that of the galvanized sheet, during the clamping and stepping process, there will be problems such as the steel truss not stepping synchronously, resulting in missing solder joints or even tearing the mesh. The welding equipment used for welding galvanized sheets is not suitable for welding mesh sheets.

Therefore, there is an urgent need for a welder for steel floor decks without dismantling the mesh, to realize the synchronous stepping and welding of the steel truss and the mesh.

Contents of the invention

The purpose of the present invention is to provide a welder for steel floor deck without dismantling mesh, which can realize synchronous stepping and welding of steel truss and mesh, reduces work intensity and improves production efficiency.

For reaching this purpose, the present invention adopts following technical scheme:

Reinforced floor deck non-dismantling mesh welding machine, including:

frame;

The positioning device is arranged on the frame, and is used for positioning the steel bar truss and the mesh, so that the relative position of the steel bar truss and the mesh is a preset position;

The feeding device is slidably arranged on the frame, and is used to compress and synchronously feed the steel bar truss and the mesh after the positioning device has been positioned;

The welding device is arranged on the frame and is used for welding the steel bar truss and the mesh sheet fed by the feeding device.

Preferably, the positioning device includes a front mesh positioning mechanism, the front mesh positioning mechanism includes a front conveying roller seat installed on the frame, and rotates several front conveying rollers arranged on the front conveying roller seat, The front conveying panel installed on the front conveying roller seat, and the front sliding positioning plate installed symmetrically and positionally adjustable on the front conveying panel, and the sliding direction of the front sliding positioning plate is the same as that of the web The conveying direction of the sheet is vertical.

Preferably, the positioning device further includes a steel bar truss positioning mechanism, the steel bar truss positioning mechanism includes two symmetrically arranged binder brackets, a binder connecting plate installed between the two binder brackets, and a binder connecting plate installed on the The pressing cylinder seat on the pressing connecting plate, the pressing cylinder installed on the pressing cylinder seat, the positioning pressing block driven up and down by the pressing air cylinder, the positioning pressing block is used to align the Positioning of steel trusses.

As a preference, the section of the pressing connecting plate is dovetail-shaped, an adjustment groove is provided on one side of the pressing cylinder seat, and an adjusting block is connected to the pressing cylinder seat through bolts, and the adjusting block is provided with an adjusting Slope, the adjustment slope and the adjustment groove together form a dovetail groove, the pressing connecting plate is placed in the dovetail groove, and the bolt is screwed, the adjustment block is front and rear relative to the pressure material cylinder seat move.

Preferably, the steel bar truss positioning mechanism further includes a lifting drive member arranged on the binder support, and the lift driver is drivingly connected to the binder connecting plate to drive the binder connecting plate to lift.

Preferably, the positioning device further includes a baffle positioning mechanism, the baffle positioning mechanism includes a baffle positioning bracket, a baffle positioning cylinder installed on the baffle positioning bracket, and the baffle positioning cylinder drives the lifting When the positioning baffle is raised, the end of the steel bar truss can abut against the positioning baffle.

Preferably, the baffle positioning mechanism further includes a positioning plate detachably installed on one side of the positioning baffle, and the positioning plate can abut against the end of the mesh, so that the steel bar truss The end protrudes from the end of the mesh.

Preferably, the feeding device includes:

The first stepping mechanism is installed on the frame;

The second stepping mechanism is arranged downstream of the first stepping mechanism, and the welding device is arranged between the first stepping mechanism and the second stepping mechanism;

The clamping mechanism is provided with two groups, which are respectively installed on the first stepping mechanism and the second stepping mechanism, and the clamping mechanism is used to compress and clamp the steel bar truss and the mesh, The first stepping mechanism or the second stepping mechanism can drive the corresponding clamping mechanism to jointly transport the steel bar truss and the mesh.

Preferably, the first stepping mechanism includes a first stepping drive assembly installed on the frame, the first stepping drive assembly drives the first sliding plate that moves in a straight line, and the first sliding plate slides connected to the frame, wherein one set of clamping mechanisms is mounted on the first slide;

And/or, the second stepping mechanism includes a second stepping drive assembly installed on the frame, and the second stepping drive assembly drives a second sliding plate that moves in a straight line, and the second sliding plate Slidingly connected to the frame, wherein a set of clamping mechanisms is installed on the second slide.

Preferably, the clamping mechanism includes a pressure plate, two clamping brackets symmetrically arranged on both sides of the pressure plate, a clamping connection plate installed between the two clamping brackets, and a clamping connection plate installed on the clamping connection plate A number of clamping seats, a clamping cylinder installed on the clamping seat, a clamping press frame driven up and down by the clamping cylinder, and a clamping press material installed on the clamping press frame block, the clamping pressing block and the pressing plate can be used to compress and clamp the steel bar truss and the mesh.

Beneficial effects of the present invention: the steel bar truss and the mesh are positioned by the positioning device, so that the relative position of the steel bar truss and the mesh is the required preset position (that is, the standard welding position), and then the steel bar truss is adjusted by the feeding device It is pressed and fed synchronously with the mesh, and the steel truss and mesh are welded by the welding device, which avoids the problems of missing solder joints or even tearing the mesh caused by the lack of synchronous stepping of the steel truss. Moreover, the whole process of automatic welding reduces the work intensity of workers and improves production efficiency.

Description of drawings

Fig. 1 is the structure schematic diagram of an angle of view of the non-dismantling mesh welding machine for reinforced floor deck provided by the present invention;

Fig. 2 is the structure schematic diagram of another angle of view of the reinforced floor deck non-dismantling mesh welding machine provided by the present invention;

Fig. 3 is the structural representation of the front mesh positioning mechanism provided by the present invention;

Fig. 4 is a schematic structural view of a steel bar truss positioning mechanism provided by the present invention;

Fig. 5 is a schematic diagram of the matching structure of the binder cylinder and the binder block of the steel bar truss positioning mechanism provided by the present invention;

Fig. 6 is a schematic diagram of the cooperative structure of the pressing cylinder seat and the adjusting block of the steel bar truss positioning mechanism provided by the present invention;

Fig. 7 is a structural schematic diagram of the baffle positioning mechanism provided by the present invention;

Fig. 8 is a schematic structural view of the rear mesh positioning mechanism provided by the present invention;

Fig. 9 is a structural schematic view of the feeding device provided by the present invention installed on the frame;

Fig. 10 is a schematic structural view of the first stepping mechanism provided by the present invention;

Fig. 11 is a schematic structural view of the second stepping mechanism provided by the present invention;

Fig. 12 is a schematic structural view of the clamping mechanism provided by the present invention;

Fig. 13 is a schematic diagram of the cooperation structure of the clamping binder frame and the clamping binder block provided by the present invention;

Fig. 14 is a schematic structural view of the clamping seat provided by the present invention;

Fig. 15 is a structural schematic view of the welding device provided by the present invention installed on the frame;

Fig. 16 is a schematic structural view of the upper electrode mechanism provided by the present invention;

Fig. 17 is a schematic structural view of the lower electrode mechanism provided by the present invention;

Fig. 18 is a structural schematic diagram of the welded steel bar truss and the mesh provided by the present invention.

In the picture:

1. Rack;

2. Positioning device;

21. Front mesh positioning mechanism; 211. Front conveying roller seat; 212. Front conveying roller; 213. Front conveying panel; 214. Front sliding positioning plate;

22. Rebar truss positioning mechanism; 221. Binder bracket; 222. Binder connecting plate; 223. Binder cylinder seat; 2231. Regulating groove; 224. Binder cylinder; ; 2261, adjusting the inclined plane; 227, the lifting drive; 2271, the handwheel; 2272, the lead screw;

23, baffle positioning mechanism; 231, baffle positioning bracket; 232, baffle positioning cylinder; 233, positioning baffle; 234, positioning plate;

24. Rear mesh positioning mechanism; 241. Rear conveying roller seat; 242. Rear conveying roller; 243. Rear conveying panel; 244. Rear sliding positioning plate;

3. Feeding device;

31. The first stepping mechanism; 311. The first stepping drive assembly; 3111. The motor bracket; 3112. The motor; 3113. The ball screw; 3114. The stepping screw female seat; 3115. The first slider; 3116. The first slide rail; 3117, shaft coupling; 3118, the first screw support seat; 3119, the second screw support seat; 3110, the screw nut; 312, the first slide plate; 313, the first conveying roller;

32. The second stepping mechanism; 321. The second slide plate; 322. The second drive cylinder; 323. The fisheye bearing; 324. The connecting shaft; 325. The second slider; 326. The second slide rail; 327. The cylinder seat ; 328, the second conveying roller;

33, clamping mechanism; 331, pressure plate; 332, clamping bracket; 333, clamping connecting plate; 334, clamping seat; 3341, dovetail groove; 3342, threaded hole; 335, clamping cylinder; 336, clamping pressure Material rack; 337, clamping pressing block;

4. Welding device;

41. Upper electrode mechanism; 411. Upper cylinder seat; 412. Upper cylinder connection seat; 413. Welding cylinder; 414. Guide post; 415. Upper connection seat; 416. Upper electrode seat; 417. Upper electrode strip;

42, the lower electrode mechanism; 421, the lower electrode seat; 422, the lower electrode block; 423, the lower electrode cover; 424, the wire;

43. Transformer;

5. Front conveyor frame; 6. Rear conveyor frame;

100, steel bar truss; 101, footing; 200, mesh.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

The invention provides a welding machine for steel floor deck without removing mesh pieces, which can realize automatic welding in the whole process, reduces the work intensity of workers, and improves production efficiency. Moreover, problems such as missed solder joints or even tearing of the mesh sheet 200 caused by the lack of synchronous stepping of the steel bar truss 100 are avoided. The structure of the steel bar truss 100 and the mesh 200 of this embodiment is shown in Figure 18. It can be seen that the foot 101 of the steel bar truss 100 is close to the top of the mesh 200, and the part in contact with the mesh 200 will be Welding fixed.

As shown in Figures 1 and 2, the non-disassembly mesh welding machine for reinforced floor decks includes a frame 1, a positioning device 2, a feeding device 3 and a welding device 4, wherein the positioning device 2 is installed on the frame 1 and can The steel bar truss 100 and the mesh sheet 200 are positioned so that the relative position of the steel bar truss 100 and the mesh sheet 200 is a preset position. In this embodiment, the preset position refers to the position where the steel bar truss 100 and the mesh 200 form a welding point. The feeding device 3 is slidably arranged on the frame 1, and is used for compressing and synchronously feeding the steel bar truss 100 and the mesh 200 positioned by the positioning device 2. The welding device 4 is arranged on the frame 1 and is used for welding the steel bar truss 100 and the mesh sheet 200 fed by the feeding device 3 .

In the present embodiment, the above-mentioned positioning device 2 includes a front mesh positioning mechanism 21, a steel bar truss positioning mechanism 22, a baffle plate positioning mechanism 23 and a rear mesh positioning mechanism 24. Along the conveying direction of the steel bar truss 100, the front mesh positioning mechanism 21 , a steel bar truss positioning mechanism 22, a baffle plate positioning mechanism 23 and a rear mesh positioning mechanism 24 are sequentially arranged on the frame 1. in:

The front mesh positioning mechanism 21 is used to position the mesh 200 before the welding device 4 welds, so that the mesh 200 is in a proper position. As shown in Figure 3, the front mesh positioning mechanism 21 includes a front conveying roller seat 211, a front conveying roller 212, a front conveying panel 213 and a front sliding positioning plate 214, wherein the front conveying roller seat 211 is installed on the frame 1, and The front feed roller stand 211 is located upstream of the feeding device 3 . Several front conveying rollers 212 are provided, and several front conveying rollers 212 are arranged on the front conveying roller base 211 at intervals and rotated. Through several front conveying rollers 212 , the support and conveyance of the mesh sheet 200 can be realized, and the arrangement of the front conveying rollers 212 can reduce the frictional resistance during the conveying process of the mesh sheet 200 .

The front conveying panel 213 is placed on the front conveying roller seat 211 , and the front conveying panel 213 is provided with a hole corresponding to the front conveying roller 212 , and a part of the front conveying roller 212 protrudes out of the hole. The front conveying panel 213 can prevent the mesh 200 from falling or getting caught in the gap between the front conveying rollers 212 due to insufficient rigidity, resulting in failure to convey the mesh 200 or damage to the mesh 200.

The above-mentioned front sliding positioning plate 214 is provided with two, and the two front sliding positioning plates 214 are arranged symmetrically and are installed on both sides of the front conveying panel 213 with adjustable positions, and the sliding direction of the front sliding positioning plate 214 is consistent with the conveying direction of the mesh sheet 200. When the mesh 200 is transported to the front conveying roller 212, by adjusting the positions of the two front sliding positioning plates 214, the two front sliding positioning plates 214 are respectively abutted against the both sides of the mesh 200, thereby making the mesh The sheet 200 is positioned by the two front sliding positioning plates 214 in the width direction. Through the adjustable front sliding positioning plate 214, the positioning of meshes 200 of different specifications can be realized.

With reference to Fig. 4, the above-mentioned reinforcement truss positioning mechanism 22 includes two binder brackets 221, a binder connecting plate 222, a binder cylinder seat 223, a binder cylinder 224 and a positioning binder block 225, wherein the two binder brackets 221 are symmetrical Setting, the binder connecting plate 222 is connected between the two binder brackets 221, the binder cylinder seat 223 is installed on the binder connecting plate 222, the binder cylinder 224 is installed on the binder cylinder seat 223, and the binder block 225 is positioned Connected to the output end of the pressing material cylinder 224. The positioning pressing block 225 is driven downward by the pressing cylinder 224 , and the positioning pressing block 225 can position and align the steel bar truss 100 . Specifically, the positioning binder block 225 is provided with a V-shaped groove. When the mesh 200 is positioned by the front mesh positioning device 21, the position of the steel bar truss 100 placed on the mesh 200 may have a small deviation from the required position. At this time, by moving down the positioning binder block 225, the V-shaped groove gradually contacts the position where the top rib and the abdominal reinforcement of the steel bar truss 100 are connected. 100 for positioning purposes. In addition, the positioning pressing block 225 of this embodiment can also prevent the steel bar truss 100 and the mesh 200 from warping during welding.

Preferably, the above-mentioned pressing cylinder seat 223 and pressing cylinder 224 are provided with a plurality, and the plurality of pressing cylinder seats 223 are arranged on the pressing connecting plate 222 at intervals, so as to realize the positioning of a plurality of steel bar trusses 100 on the mesh 200 .

In this embodiment, preferably, the above-mentioned pressing cylinder seat 223 is installed on the pressing connecting plate 222 with an adjustable position. Specifically, as shown in FIG. 6 , the section of the pressing connecting plate 222 may be dovetail-shaped, that is to say, the pressing connecting plate 222 is a dovetail plate, and an adjustment groove 2231 is provided on one side of the pressing cylinder seat 223, and the pressing The material cylinder seat 223 is connected with an adjustment block 226 by bolts, and the adjustment block 226 is provided with an adjustment slope 2261, and the adjustment slope 2261 and the adjustment groove 2231 form a dovetail groove together, and the pressing connecting plate 222 is placed in the dovetail groove. By screwing the bolts, the adjusting block 226 moves back and forth relative to the pressing cylinder base 223 to realize loosening or fixing of the adjusting block 226 relative to the pressing cylinder base 223 . That is to say, when the position of the pressing cylinder seat 223 needs to be adjusted, the adjusting block 226 is loosened relative to the pressing cylinder seat 223 by screwing the bolt, and at this time, the frictional force between the adjusting slope 2261 and the pressing connecting plate 222 is reduced. , that is, to adjust the position of the pressing cylinder seat 223 on the pressing connecting plate 222. After the adjustment, reversely screw the bolt so that the adjusting block 226 is close to the fixed pressing cylinder seat 223, increasing the adjustment slope 2261 and pressing The friction force between the material connecting plates 222, and then the position of the pressure material cylinder seat 223 is fixed. By adjusting the position of the pressing cylinder seat 223 , the alignment and positioning of the steel bar trusses 100 at different preset positions can be realized, and it is applicable to the steel bar trusses 100 in various arrangement positions.

As shown in Figure 4, the present embodiment is provided with a lift driver 227 on the binder bracket 221, and the lift driver 227 is drivingly connected to the binder connecting plate 222, and the lift drivers 227 on the two binder brackets 221 are synchronously driven. The binder connecting plate 222 is raised and lowered to adjust the position of the binder connecting plate 222 in the height direction, and then suitable for the positioning of the steel bar trusses 100 of different specifications.

Optionally, the lift driver 227 of this embodiment includes a handwheel 2271, and the screw 2272 screwed to the pressing material connecting plate 222 is driven by the hand wheel 2271. By turning the hand wheel 2271, the pressing material connecting plate 222 can be moved The leading screw 2272 drives the lifting. Of course, it can be understood that the lead screw 2272 can also be driven to rotate by the electric mechanism.

Referring to Fig. 7, the baffle positioning mechanism 23 of this embodiment includes a baffle positioning bracket 231, a baffle positioning cylinder 232 and a positioning baffle 233, wherein the baffle positioning bracket 231 is installed on the frame 1, and the baffle positioning cylinder 232 Installed on the baffle positioning bracket 231, and the output end of the baffle positioning cylinder 232 passes through the baffle positioning bracket 231 from bottom to top, and the output end of the baffle positioning cylinder 232 is connected to the positioning baffle 233 to drive the positioning baffle 233 Lifting, the positioning baffle 233 is used for the initial positioning of the steel bar truss 100 and the mesh 200, specifically, when the steel bar truss 100 and the mesh 200 are transported forward, the positioning baffle 233 rises, and the steel bar truss 100 and the mesh 200 are conveyed When it reaches the positioning baffle 233, its end will be abutted by the positioning baffle 233. At this time, the initial position of the steel bar truss 100 and the mesh 200 in the conveying direction is positioned, and the initial position is just the steel bar 100 and the mesh. The first welding spot of 200 is at the welding device 4 . After the positioning is finished, the baffle positioning cylinder 232 drives the positioning baffle 233 to move down. At this time, the welding device 4 can weld the first welding spot of the steel bar truss 100 and the mesh 200 without affecting the steel bar truss 100 and the mesh. Subsequent transport of the sheet 200.

Preferably, for some reinforced floor decks that require the end of the steel bar truss 100 to protrude from the mesh 200, the baffle positioning mechanism 23 of this embodiment further includes a positioning plate 234 that is detachably mounted on one side of the positioning baffle 233 , when the ends of the steel bar truss 100 and the mesh 200 reach the position of the positioning baffle 233, the end of the mesh 200 first abuts against the positioning plate 234, and at this time the end of the steel bar truss 100 has not yet touched the positioning baffle 233 , when the steel bar truss 100 continues to be transported forward, the end of the steel bar truss 100 abuts against the positioning baffle 233 , and at this time the end of the steel bar truss 100 protrudes from the end of the mesh sheet 200 . Of course, if the end of the steel bar truss 100 is not required to protrude from the mesh 200, the positioning plate 234 can be disassembled.

In this embodiment, the rear mesh positioning mechanism 24 is installed on the rear end of the frame 1, and is positioned at the downstream of the welding device 4, and the rear mesh positioning mechanism 24 is used to support the welded steel bar truss 100 and the mesh 200 and positioning. The structure of this rear mesh positioning mechanism 24 is basically the same as that of the front mesh positioning mechanism 21. As shown in Figure 8, the rear mesh positioning mechanism 24 includes a rear conveying roller seat 241, a rear conveying roller 242, a rear conveying panel 243 and The rear sliding positioning plate 244, wherein the rear conveying roller seat 241 is installed on the frame 1, and the rear conveying roller seat 241 is located downstream of the welding device 4. There are several rear conveying rollers 242 , and the several rear conveying rollers 242 are arranged on the rear conveying roller seat 241 at intervals and rotatably. Through several rear conveying rollers 242 , the support and conveyance of the mesh sheet 200 can be realized, and the setting of the rear conveying rollers 242 can reduce the frictional resistance during the conveying process of the mesh sheet 200 .

The rear conveying panel 243 is placed on the rear conveying roller seat 241 , and the rear conveying panel 243 is provided with a hole corresponding to the rear conveying roller 242 , and a part of the rear conveying roller 242 protrudes from the hole. Through the rear conveying panel 243 , the conveyance of the mesh 200 can be further assisted, and the mesh 200 can be further prevented from being caught in the gap between the rear conveying rollers 242 .

The above-mentioned rear sliding positioning plate 244 is provided with two, and the two rear sliding positioning plates 244 are arranged symmetrically and are installed on both sides of the rear conveying panel 243 with adjustable positions, and the sliding direction of the rear sliding positioning plate 244 is consistent with the conveying direction of the mesh sheet 200. When the mesh 200 is transported to the rear conveying roller 242, by adjusting the positions of the two rear sliding positioning plates 244, the two rear sliding positioning plates 244 are respectively abutted against the both sides of the mesh 200, thereby making the mesh The sheet 200 is positioned by the rear vertical plate 245 and the rear sliding positioning plate 244 in the width direction, so as to prevent the misalignment of the reinforcement truss 100 and the mesh sheet 200 during the welding step. Through the position-adjustable rear sliding positioning plate 244, the positioning of meshes 200 of different specifications can be realized.

As shown in Figure 9, the feeding device 3 includes a first stepping mechanism 31, a second stepping mechanism 32 and a clamping mechanism 33, wherein the first stepping mechanism 31 and the second stepping mechanism 32 are all arranged on the frame 1, and the first stepping mechanism 31 and the second stepping mechanism 32 are arranged on both sides of the welding device 4, the first stepping mechanism 31 and the second stepping mechanism 32 are provided with a set of clamping mechanism 33, clamping The tightening mechanism 33 is used to compress and clamp the steel bar truss 100 and the mesh 200, and the first stepping mechanism 31 is used for the synchronous feeding of the steel bar truss 100 and the mesh 200 from the first welding spot to the penultimate welding spot. Forward, the second stepping mechanism 32 is located downstream of the first stepping mechanism 31, and is used for the synchronous feeding of the last welding spot of the steel bar truss 100 and the mesh 200. In addition, in the automatic welding process, before the first stepping mechanism 31 returns to its original position, the clamping mechanism 33 on the second stepping mechanism 32 will first compress and clamp the steel bar truss 100 and the mesh 200, and then the first step The clamping mechanism 33 on the feeding mechanism 32 releases the compression of the steel bar truss 100 and the mesh sheet 200 again, so as to prevent the steel bar truss 100 and the mesh sheet 200 from being displaced by friction. Before the first stepping mechanism 31 is ready to step, the clamping mechanism 33 on the first stepping mechanism 31 will first compress and clamp the steel bar truss 100 and the mesh 200, and then the clamping mechanism on the second stepping mechanism 32 will The mechanism 33 releases the compression of the steel bar truss 100 and the mesh 200 again, that is, during the stepping and welding process of the steel bar truss 100 and the mesh 200, there is always a clamping mechanism 33 for the steel bar truss 100 and the mesh 200 Compress to ensure the welding effect of the steel bar truss 100 and the mesh 200 .

In this embodiment, as shown in FIG. 10 , the first stepping mechanism 31 includes a first stepping drive assembly 311 and a first slide plate 312, wherein the first stepping drive assembly 311 is installed on the frame 1, and the first slide plate 312 Slidingly connected to the frame 1 , the first stepping drive assembly 311 drives the first sliding plate 312 to slide linearly relative to the frame 1 . The clamping mechanism 33 is installed on the first sliding plate 312 and can slide along with the first sliding plate 312 . Through this structure, after the clamping mechanism 33 clamps and clamps the steel bar truss 100 and the mesh 200, the first stepping drive assembly 311 drives the first sliding plate 312 to slide, and at the same time drives the clamping mechanism 33 mounted on the first sliding plate 312 And the steel bar truss 100 and the mesh 200 pressed by the clamping mechanism 33 slide synchronously, so that the steel bar truss 100 and the mesh 200 step to the welding device 4 synchronously.

In this embodiment, the above-mentioned first stepping drive assembly 311 includes a motor bracket 3111, a motor 3112, a ball screw 3113, a screw nut 3110 and a step screw nut 3114, wherein the motor bracket 3111 is installed on the front end of the frame 1 , The motor 3112 is installed on the motor bracket 3111. The output end of the motor 3112 is drivingly connected to the ball screw 3113 , preferably, the output end of the motor 3112 can be connected to the ball screw 3113 through a coupling 3117 . One side of the motor bracket 3111 is provided with a first lead screw support seat 3118, a second lead screw support seat 3119 is installed on the frame 1, and the ball screw 3113 is rotatably passed through the first lead screw support seat 3118 and the first lead screw support seat 3118. On the second screw support seat 3119, the screw nut 3110 is threadedly connected to the ball screw 3113, and the screw nut 3110 is fixedly connected to the step screw nut seat 3114 by bolts, and the step screw nut seat 3114 is fixedly connected to the second screw nut seat 3114. A slide plate 312, a first slide block 3115 is provided at the bottom of both sides of the first slide plate 312, a first slide rail 3116 is provided on the frame 1, the first slide rail 3116 is parallel to the axis of the ball screw 3113, the first The sliding block 3115 is slidably disposed on the first sliding rail 3116 . When the motor 3112 drives the ball screw 3113 to rotate, the step screw base 3114 moves linearly relative to the ball screw 3113, which also drives the first slide plate 312 to move in a straight line. The mechanism 33 and the steel bar truss 100 and mesh 200 compressed by the clamping mechanism 33 will also be driven to move.

In this embodiment, the arrangement of the above-mentioned first slide block 3115 and first slide rail 3116 not only restricts the rotary movement of the first slide plate 312 around the rotation axis of the ball screw 3113, but also ensures that the first slide plate 312 is only on the rotation axis of the ball screw 3113. It can move in the direction of the axis, and effectively reduce the friction force during the movement and reduce the energy loss.

In this embodiment, the above-mentioned motor 3112 can be a servo motor. Compared with ordinary motors, the use of a servo motor has the advantages of controllability and high precision, and the response speed of the servo motor is fast, and it can realize frequent positive and negative rotations to adjust the first The position of a slide plate 312 . The axis of the output shaft of the motor 3112 coincides with the axis of the ball screw 3113 .

It can be understood that the first stepping drive assembly 311 in this embodiment may also be a first driving cylinder, and the output end of the first driving cylinder is drivingly connected to the first sliding plate 312 to drive the first sliding plate 312 to move.

In this embodiment, the first conveying roller 313 can also be rotated on the side of the first slide plate 312 away from the motor 3112, and the mesh 200 can be placed on the first conveying roller 313, so as to facilitate the movement of the steel bar truss 100 and the mesh 200 .

As shown in Figure 11, the second stepping mechanism 32 includes a second stepping drive assembly and a second slide plate 321, wherein the second stepping drive assembly is installed on the frame 1, and the second slide plate 321 is slidably connected to the frame 1, The second stepper driving assembly drives the second sliding plate 321 to slide linearly relative to the frame 1 . The clamping mechanism 33 is mounted on the second sliding board 321 and can slide along with the second sliding board 321 . Through this structure, when the clamping mechanism 33 clamps the steel bar truss 100 and the mesh 200, the second stepping drive assembly drives the second sliding plate 321 to slide, and at the same time drives the clamping mechanism 33 installed on the second sliding plate 321 and The steel bar truss 100 and the mesh sheet 200 pressed by the clamping mechanism 33 slide synchronously, so that the steel bar truss 100 and the mesh sheet 200 step to the welding device 4 synchronously.

Exemplarily, the second stepping drive assembly includes a cylinder block 327 mounted on the rear end of the frame 1, a second drive cylinder 322 mounted on the cylinder block 327, a fisheye bearing 323 connected to the output end of the second drive cylinder 322, connected to On the connecting shaft 324 of the fisheye bearing 323 , the axis of the connecting shaft 324 is perpendicular to the axis of the output end of the second driving cylinder 322 , and the second sliding plate 321 is fixedly connected to the connecting shaft 324 . The expansion and contraction of the second driving cylinder 322 can drive the second sliding plate 321 to move in a straight line.

Preferably, a second slide block 325 is provided on both sides of the bottom of the second slide plate 321, the frame 1 is provided with a second slide rail 326, the second slide block 325 slides on the second slide rail 326, and the second slide rail 326 is parallel On the axis of the output end of the second driving cylinder 322 .

In this embodiment, the second conveying roller 328 can also be rotated on the side of the second slide plate 321 away from the second driving cylinder 322, and the mesh 200 can be placed on the second conveying roller 328, so that the reinforced truss 100 and the mesh 200 moves.

Optionally, the structure of the second stepping drive assembly may also be the same as that of the first stepping drive assembly 311 , that is, the linear movement of the second slide plate 321 is achieved by driving the ball screw with a servo motor.

In this embodiment, the clamping mechanism 33 is provided with two groups, respectively mounted on the first slide 312 and the second slide 321, as shown in Figure 12 and Figure 13, the clamping mechanism 33 includes a pressing plate 331, two clamping brackets 332, clamping connecting plate 333, clamping seat 334, clamping cylinder 335, clamping binder frame 336 and clamping binder block 337, wherein:

The above two clamping brackets 332 are installed on the first slide plate 312 or the second slide plate 321, and are symmetrically arranged on both sides of the first slide plate 312 or the second slide plate 321, and the pressure plate 331 is fixedly installed on the corresponding first slide plate 312 or the second slide plate 321. On the second slide plate 321 and placed between two clamping brackets 332, the clamping connecting plate 333 is installed between the two clamping brackets 332, several clamping seats 334 are provided, and several clamping seats 334 are installed at intervals On the clamping connecting plate 333, a clamping cylinder 335 is fixedly installed on each clamping seat 334, and the output end of the clamping cylinder 335 is set downward. The output end of the clamping cylinder 335 is connected with the above-mentioned clamping binder frame 336 , the bottom of the clamping binder frame 336 is fixedly connected with a clamping binder block 337 , and the clamping binder block 337 is arranged facing the pressing plate 331 . The clamping press frame 336 is driven downward by the clamping cylinder 335, and the clamping press block 337 is driven downward by the clamping press frame 336, and the foot 101 and the mesh 200 of the steel bar truss 100 are pressed against the press plate 331 on. When the clamping cylinder 335 drives the clamping binder frame 336 and the clamping binder block 337 to move upward, the delivery of the steel bar truss 100 and the mesh 200 will not be affected by the clamping binder block 337 .

In this embodiment, preferably, the clamping seat 334 is installed on the clamping connecting plate 333 with an adjustable position. Specifically, as shown in Figure 14, the cross-section of the clamping connecting plate 333 may be dovetail-shaped, that is to say, the clamping connecting plate 333 is a dovetail plate, and one side of the clamping seat 334 is provided with a dovetail groove 3341, and the clamping connecting plate 333 is placed in the dovetail groove 3341. A plurality of elongated holes are provided on the clamping connecting plate 333 , and a threaded hole 3342 is provided on the clamping seat 334 , and the bolts pass through the elongated holes and are threadedly connected to the clamping seat 334 . By loosening the bolts, the position of the clamping seat 334 on the clamping connecting plate 333 can be adjusted. After the adjustment, reversely screw the bolts to fix the clamping seat 334 on the clamping connecting plate 333 . By adjusting the position of the clamping seat 334 , the clamping mechanism 33 can realize the compression and clamping of the steel bar truss 100 and the mesh 200 of different specifications and models.

Exemplarily, the clamping binder frame 336 of this embodiment can be in an inverted U-shaped structure, and a clamping binder block 337 is provided at the two feet of the clamping binder frame 336 for better The footing 101 of the steel bar truss 100 and the mesh 200 are pressed and clamped.

In this embodiment, preferably, the position of the clamping binder block 337 is adjustable and installed on the bottom of the clamping binder frame 336. Exemplarily, the bottom of the clamping binder frame 336 may be provided with elongated holes, bolts After passing through the elongated hole and adjusting the position, it is screwed to the clamping pressing block 337 to fix the clamping pressing block 337 on the clamping pressing frame 336 . By adjusting the position of the clamping binder block 337 , the steel bar truss 100 of various specifications can be applied.

More preferably, the bottom surface of the clamping pressing block 337 is provided with several grooves to increase the friction force of the bottom surface and ensure the compression effect on the steel bar truss 100 and the mesh 200 .

Optionally, chamfers are provided on one side of the clamping binder frame 336 and the clamping binder block 337 in the feeding direction, which can effectively prevent the jamming problem of the steel bar truss 100 during the stepping process. The clamping pressing block 337 and the surface of the pressing plate 331 are quenched, which effectively improves the clamping effect and increases the service life at the same time.

It should be pointed out that in this embodiment, during the automatic welding process, when the clamping mechanism 33 on the second stepping mechanism 32 compresses the steel bar truss 100 and the mesh 200, the steel bar truss positioning mechanism 22 synchronously The truss 100 is pressed and positioned, and then by pressing and fixing the front and rear positions of the steel truss 100 and the mesh 200 , it can effectively prevent the steel truss 100 and the mesh 200 from warping during welding.

When the above-mentioned feeding device 3 of the present embodiment is in use, after the positioning device 2 positions the steel bar truss 100 and the mesh 200, the first welding spot of the steel bar truss 100 and the mesh 200 (it should be noted that a mesh Multiple steel bar trusses 100 are placed on 200, so there will be multiple first welding spots, and the welding device 4 is also provided with multiple groups to weld the multiple first welding spots) just located at the welding device 4. The clamping pressing block 337 of the clamping mechanism 33 on the first stepping mechanism 31 compresses the steel bar truss 100 and the mesh sheet 200 on the pressing plate 331. After the first spot welding is completed, the first stepping mechanism 31 steps, so that the next place (also a plurality of next welding spots) of the steel bar truss 100 and the mesh 200 welding spot is placed at the welding device 4, at this time the clamping mechanism 33 on the second stepping mechanism 32 The steel bar truss 100 and the mesh 200 are compressed (the second stepping mechanism 32 is not in action), and at the same time the steel bar truss positioning mechanism 22 synchronously compresses the steel bar truss 100, and the clamping mechanism on the first stepping mechanism 31 33 unclamp the compression to steel bar truss 100 and mesh sheet 200, weld by welding device 4 subsequently, meanwhile first stepping mechanism 31 returns to original position (due to the clamping mechanism 33 on the second stepping mechanism 32 The steel bar truss 100 and the mesh sheet 200 have been compressed, and it is also possible to avoid the situation that the steel bar truss 100 and the mesh sheet 200 return with the first stepping mechanism 31 due to friction during the process of returning the first stepping mechanism 31 to its original position. occur, and then ensure that the welding of the steel bar truss 100 and the mesh 200 is carried out smoothly), the clamping mechanism 33 on the first stepping mechanism 31 compresses the steel bar truss 100 and the mesh 200, and the clamping mechanism on the second stepping mechanism 32 The tightening mechanism 33 and the steel bar truss positioning mechanism 22 loosen the compression of the steel bar truss 100 and the mesh 200, and the first stepping mechanism 31 carries out the next feeding, so that the next welding spot is placed at the welding device 4, and so on. Circulation until the penultimate spot welding is completed, at this moment the first step mechanism 31 cannot continue to feed the steel bar truss 100 and the mesh 200 after returning to the original position, and the steel bar truss positioning mechanism 22 unclamps the steel bar truss 100 and the compression of the mesh sheet 200, the steel bar truss 100 and the mesh sheet 200 are fed by the second stepping mechanism 32, so that the remaining last welding spot is placed at the welding device 4, and the welding is completed.

In this embodiment, as shown in FIG. 15 , the above-mentioned welding device 4 is arranged between the first stepping mechanism 31 and the second stepping mechanism 32 , and is used for welding the welding spots of the steel bar truss 100 and the mesh 200 . The welding device 4 includes an upper electrode mechanism 41, a lower electrode mechanism 42 and a transformer 43, wherein as shown in Figure 16, the upper electrode mechanism 41 includes an upper cylinder block 411 installed on the frame 1, and an upper cylinder block 411 installed on the upper cylinder block 411 The upper cylinder connection seat 412, the welding cylinder 413 installed on the upper cylinder connection seat 412, the output end of the welding cylinder 413 is connected to the guide post 414 slidingly pierced on the upper cylinder seat 411, and the other end of the guide post 414 is connected with an upper connection Seat 415, the upper connecting seat 415 is provided with an upper electrode seat 416 electrically connected to it, and the bottom of the upper electrode seat 416 is provided with an upper electrode strip 417 electrically connected to it, and the above-mentioned upper connecting seat 415 is connected to one pole of the transformer 43 through flexible wires .

Optionally, the above-mentioned upper cylinder base 411 is arranged on the frame 1 in an adjustable position, so as to be suitable for welding steel trusses 100 of different specifications at different welding spot positions.

As shown in FIG. 17 , the lower electrode mechanism 42 includes a lower electrode base 421 and a lower electrode block 422 electrically connected to the top of the lower electrode base 421 . The lower electrode base 421 is connected to the other pole of the transformer 43 through a wire 424 . Preferably, the lower electrode mechanism 42 further includes a lower electrode cover 423 , the lower electrode cover 423 covers the lower electrode block 422 , and an opening is opened in the lower electrode cover 423 , and the top surface of the lower electrode block 422 is exposed at the opening. The lower electrode cover 423 can prevent the mesh 200 from being stuck during the transportation process.

When it is necessary to weld the steel bar truss 100 and the mesh 200, the welding cylinder 413 stretches out, driving the upper electrode bar 417 to compress the steel bar truss 100 and the mesh 200, so that the mesh 200 contacts the lower electrode block 422 to form a closed loop, and utilizes low The strong current of the voltage flows through the contact surface of the steel bar truss 100 and the mesh 200 and the adjacent area, and the generated resistance heat heats the contact part (that is, the position of the solder joint) to a molten or plastic state for welding.

In the present embodiment, the steel floor deck non-removable mesh welding machine also includes a front conveyor frame 5 and a rear conveyor frame 6, and the front conveyor frame 5 is used to place the mesh sheet 200 and the steel bar truss 100, and the mesh sheet 200 and the steel bar truss 100 is delivered to the baffle plate positioning mechanism 23 places. The rear conveyor frame 6 is used to place the welded steel bar truss 100 and the mesh 200, and transport the welded finished product to the next station.

When the reinforced floor deck non-disassembly mesh welding machine of this embodiment is in use, when the mesh 200 and the steel bar truss 100 are first conveyed forward by the front conveyor frame 5, the positioning baffle 233 rises, and the steel bar truss 100 and the mesh 200 When transported to the positioning baffle 233, its end will be abutted by the positioning baffle 233. At this time, the initial position of the steel bar truss 100 and the mesh 200 in the conveying direction is positioned. After the initial positioning, the positioning baffle 233 shrinks. back. During this process, the steel bar truss 100 and the mesh 200 will pass through the front mesh positioning mechanism 21, the front sliding positioning plate 214 will position the mesh 200 in the width direction, and then the steel bar truss positioning mechanism 22 will accurately position the steel bar truss 100 At this time, the first welding spot of the steel bar truss 100 and the mesh 200 is placed at the welding device 4 . The clamping pressing block 337 of the clamping mechanism 33 on the first stepping mechanism 31 compresses the steel bar truss 100 and the mesh sheet 200 on the pressing plate 331. After the first spot welding is completed, the first stepping mechanism 31 steps, so that the next welding spot of the steel bar truss 100 and the mesh 200 is placed at the welding device 4, at this time, the clamping mechanism 33 on the second stepping mechanism 32 compresses the steel bar truss 100 and the mesh 200 (the second stepping mechanism 32 does not act), meanwhile, the steel bar truss positioning mechanism 22 synchronously compresses the steel bar truss 100, and the clamping mechanism 33 on the first stepping mechanism 31 unclamps the steel bar truss 100 and the mesh sheet 200 The compression is carried out by the welding device 4 subsequently, and at the same time, the first stepping mechanism 31 returns to its original position, and the clamping mechanism 33 on the first stepping mechanism 31 compresses the steel bar truss 100 and the mesh sheet 200, The clamping mechanism 33 on the second stepping mechanism 32 and the steel bar truss positioning mechanism 22 loosen the compression of the steel bar truss 100 and the mesh sheet 200, and the first stepping mechanism 31 carries out the next sending, so that the next welding spot is placed At the welding device 4, the reciprocating cycle is repeated until the welding of the penultimate welding spot is completed. At this time, the first stepping mechanism 31 cannot continue to feed the steel bar truss 100 and the mesh 200 after returning to the original position, and the steel bar truss is positioned. The mechanism 22 releases the compression of the steel bar truss 100 and the mesh sheet 200, and the second stepping mechanism 32 feeds the steel bar truss 100 and the mesh sheet 200, so that the remaining last welding spot is placed at the welding device 4, After finishing welding, the welded steel bar truss 100 and the mesh 200 are placed on the rear conveyor frame 6, and the clamping mechanism 33 on the second stepping mechanism 32 releases the compression of the steel bar truss 100 and the mesh 200.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. Various obvious changes, readjustments, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. Mesh welding machine is exempted from to tear open by reinforcing bar building carrier plate, its characterized in that includes:

a frame (1);

the positioning device (2) is arranged on the frame (1) and is used for positioning the steel bar truss (100) and the net piece (200) so that the relative positions of the steel bar truss (100) and the net piece (200) are preset positions;

the feeding device (3) is slidably arranged on the frame (1) and is used for compressing and synchronously feeding the steel bar truss (100) and the net sheet (200) which are positioned by the positioning device (2);

and the welding device (4) is arranged on the frame (1) and is used for welding the steel bar truss (100) and the net sheet (200) which are fed by the feeding device (3).

2. The mesh welding machine according to claim 1, wherein the positioning device (2) comprises a front mesh positioning mechanism (21), the front mesh positioning mechanism (21) comprises a front conveying roller seat (211) installed on the frame (1), a plurality of front conveying rollers (212) rotatably arranged on the front conveying roller seat (211), a front conveying panel (213) installed on the front conveying roller seat (211), and a front sliding positioning plate (214) symmetrically arranged and adjustably installed on the front conveying panel (213), and the sliding direction of the front sliding positioning plate (214) is perpendicular to the conveying direction of the mesh (200).

3. The mesh welding machine without disassembly for steel bar building carrier plates according to claim 1, wherein the positioning device (2) comprises a steel bar truss positioning mechanism (22), the steel bar truss positioning mechanism (22) comprises two material pressing supports (221) symmetrically arranged, a material pressing connecting plate (222) arranged between the two material pressing supports (221), a material pressing cylinder seat (223) arranged on the material pressing connecting plate (222), a material pressing cylinder (224) arranged on the material pressing cylinder seat (223), and a positioning material pressing block (225) driven to ascend and descend by the material pressing cylinder (224), wherein the positioning material pressing block (225) is used for positioning the steel bar truss (100).

4. The steel bar building carrier plate disassembly-free mesh welding machine according to claim 3, wherein the section of the material pressing connection plate (222) is dovetail-shaped, an adjusting groove (2231) is formed in one side of the material pressing cylinder seat (223), the material pressing cylinder seat (223) is connected with an adjusting block (226) through a bolt, the adjusting block (226) is provided with an adjusting inclined surface (2261), the adjusting inclined surface (2261) and the adjusting groove (2231) jointly form a dovetail groove, the material pressing connection plate (222) is arranged in the dovetail groove, the bolt is screwed, and the adjusting block (226) moves back and forth relative to the material pressing cylinder seat (223).

5. A steel bar building carrier plate disassembly-free mesh welding machine according to claim 3, wherein the steel bar truss positioning mechanism (22) further comprises a lifting driving piece (227) arranged on the material pressing support (221), and the lifting driving piece (227) is in driving connection with the material pressing connection plate (222) so as to drive the material pressing connection plate (222) to lift.

6. The mesh welding machine according to claim 1, wherein the positioning device (2) further comprises a baffle positioning mechanism (23), the baffle positioning mechanism (23) comprises a baffle positioning bracket (231), a baffle positioning cylinder (232) mounted on the baffle positioning bracket (231), a positioning baffle (233) driven to lift by the baffle positioning cylinder (232), and when the positioning baffle (233) is lifted, the end part of the steel bar truss (100) can be abutted to the positioning baffle (233).

7. The machine according to claim 6, wherein the baffle positioning mechanism (23) further comprises a positioning plate (234) detachably mounted on one side of the positioning baffle (233), and the positioning plate (234) can be abutted against the end of the mesh (200) so that the end of the steel bar truss (100) protrudes from the end of the mesh (200).

8. The mesh welding machine for a reinforced concrete floor support plate according to any one of claims 1 to 7, wherein the feeding device (3) comprises:

a first stepping mechanism (31) mounted on the frame (1);

a second step mechanism (32) disposed downstream of the first step mechanism (31), the welding device (4) being disposed between the first step mechanism (31) and the second step mechanism (32);

clamping mechanism (33), be provided with two sets of, install respectively in first step by step mechanism (31) with on second step by step mechanism (32), clamping mechanism (33) are used for compressing tightly centre gripping bar truss (100) and net piece (200), first step by step mechanism (31) or second step by step mechanism (32) can drive corresponding clamping mechanism (33) jointly carry bar truss (100) with net piece (200).

9. The mesh welding machine according to claim 8, wherein the first stepping mechanism (31) comprises a first stepping driving assembly (311) mounted on the frame (1), a first sliding plate (312) which is driven by the first stepping driving assembly (311) to move along a straight line, the first sliding plate (312) is slidingly connected to the frame (1), and a group of clamping mechanisms (33) are mounted on the first sliding plate (312);

and/or the second stepping mechanism (32) comprises a second stepping driving assembly arranged on the frame (1), a second sliding plate (321) which is driven by the second stepping driving assembly to move along a straight line, the second sliding plate (321) is connected with the frame (1) in a sliding way, and one group of clamping mechanisms (33) are arranged on the second sliding plate (321).

10. The mesh welding machine according to claim 9, wherein the clamping mechanism (33) comprises a pressing plate (331), two clamping brackets (332) symmetrically arranged on two sides of the pressing plate (331), a clamping connecting plate (333) arranged between the two clamping brackets (332), a plurality of clamping bases (334) arranged on the clamping connecting plate (333), a clamping cylinder (335) arranged on the clamping bases (334), a clamping pressing material frame (336) driven to lift by the clamping cylinder (335), and a clamping pressing material block (337) arranged on the clamping pressing material frame (336), wherein the clamping pressing material block (337) and the pressing plate (331) can be matched to clamp the steel bar truss (100) and the mesh (200).

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